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powerpc/mm/radix: Update PTCR on secondary CPUs

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Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Aneesh Kumar K.V 2016-04-29 23:26:12 +10:00 committed by Michael Ellerman
parent 7a0eedeedd
commit b5dcc60969
1 changed files with 7 additions and 3 deletions
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10
arch/powerpc/mm/hash_utils_64.c
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@ -896,9 +896,13 @@ void __init hash__early_init_mmu(void)
void hash__early_init_mmu_secondary(void)
{
/* Initialize hash table for that CPU */
if (!firmware_has_feature(FW_FEATURE_LPAR))
mtspr(SPRN_SDR1, _SDR1);
if (!firmware_has_feature(FW_FEATURE_LPAR)) {
if (!cpu_has_feature(CPU_FTR_ARCH_300))
mtspr(SPRN_SDR1, _SDR1);
else
mtspr(SPRN_PTCR,
__pa(partition_tb) | (PATB_SIZE_SHIFT - 12));
}
/* Initialize SLB */
slb_initialize();
}